Release v0.2.0

What's Changed

• PR for merging new features from feat/webhook into develop by @lmriccardo in #22
• PR for Releasing version v0.2.0 by @lmriccardo in #23

Full Changelog: v0.1.4...v0.2.0

• Introduced webhook notification system in config and validation.
• Added Discord webhook notifications support.
• Added Discord webhook message pinning behavior.
• Implemented log retention policy.
• Fixed plan_test regression introduced by log retention policy.
• Added rich-styled console logging for CLI output.